EP4082940A1 - Capsule avec élément de fermeture étanche et procédé de production de ladite capsule - Google Patents

Capsule avec élément de fermeture étanche et procédé de production de ladite capsule Download PDF

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Publication number
EP4082940A1
EP4082940A1 EP20851303.6A EP20851303A EP4082940A1 EP 4082940 A1 EP4082940 A1 EP 4082940A1 EP 20851303 A EP20851303 A EP 20851303A EP 4082940 A1 EP4082940 A1 EP 4082940A1
Authority
EP
European Patent Office
Prior art keywords
sealing
sealing portion
region
capsule
wall thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20851303.6A
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German (de)
English (en)
Inventor
Óscar DE DEUS TELES DE NORONHA GALVÃO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kaffa Lda
Original Assignee
Galvao E Noronha Lda
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Galvao E Noronha Lda filed Critical Galvao E Noronha Lda
Publication of EP4082940A1 publication Critical patent/EP4082940A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents

Definitions

  • the present invention refers to the field of capsules for preparing edible products, in particular aromatic beverages such as for example espresso type coffee and similar.
  • the present invention further refers to a process for manufacturing capsules of the type of the present invention.
  • the prior art includes different solutions of capsules of the type of the invention, adapted for preparing edible products.
  • Said capsules typically present an envelope that provides an oxygen barrier and confines an individual portion of edible substance, such as for example roasted ground coffee beans. Moreover, said capsules typically present a wall adapted for entry of an upstream pressurized flow, and a downstream wall adapted for exit of a resulting beverage
  • the document CH 605293 discloses a capsule of the type of the present invention presenting a container part configured in frusto-conic shape that provides an opening and a rim region that develops in the perimeter of said opening, and a lid part that can be united with a rim region of the container part.
  • EP 1654966 B1 , EP 1816934 B1 and EP 1839543 B1 disclose solutions for a better sealing of the rim region of a capsule by sealing means.
  • EP 2012994 B1 discloses a solution whereby the sealing means are injection moulded over the external surface of the container part of capsule.
  • EP 1849715 B1 disclose solutions for providing a better connection of the sealing element to the container part of capsule.
  • EP 2289820 B1 refers the possibility of the sealing means being provided as an integral piece or a piece separate from the container part of capsule, and further, in the previous case, as a piece mounted in releasable manner or as a piece attached to the rim region, for example by means of a welding technique or of an adhesive. This document neither discloses nor advances any suggestion on how to provide a simple retention of sealing means on the capsule.
  • the objective of the present invention is to provide a capsule for preparing edible products, such as espresso coffee and similar beverages, said capsule comprising a container part and a lid part and providing a more effective sealing disposition of the rim region, ensuring a fluid-tight arrangement of this particular region when impinged by a pressurized fluid flow, with a simpler construction and less use of materials and energy, in particular by means of a simpler and more reliable retention of the sealing means on the container part of capsule.
  • the capsule is adapted so that can be operated by a beverage preparation apparatus, in particular confined inside of a product preparation device, such as an extraction device, by means of closure of confining parts of extraction device and so that can be crossed by a pressurized liquid flow along a prevailing flow direction.
  • a beverage preparation apparatus in particular confined inside of a product preparation device, such as an extraction device, by means of closure of confining parts of extraction device and so that can be crossed by a pressurized liquid flow along a prevailing flow direction.
  • the present invention discloses a capsule that presents sealing means provided as a single and separate piece presenting a first portion and a second portion of general ring-like shape, whereby the first portion is configured to sit on the upstream-oriented side of the rim region of container part, and the second portion extends in a collar-like design upstream from the first portion and is adapted so that can be retained under pressurized fitting on the sidewall of the of the container part in the vicinity of the rim region, such that provides retention of the first portion in direct contact with the rim region.
  • the first portion is thereby adapted so that can be impinged by one of the capsule confining parts of said product preparation device being thereby pushed relative to the side wall of container part and pressed upon the rim region thereof when the capsule is inside of a respective product preparation device and the latter is at a product preparation position.
  • said capsule is adapted for preparing beverages such as for example aromatic beverages including espresso coffee and similar, by means of a pressurized flow that flows through a portion of edible substance collected inside of said capsule.
  • beverages such as for example aromatic beverages including espresso coffee and similar
  • the container part of said capsule is provided in a material that provides oxygen barrier, such as known in prior art, including in aluminium or aluminium alloy, and in plastic or in a plastic composite.
  • the capsule disclosed by the present invention is particularly adapted for containing an individual portion of aromatic edible substance, such as for example roasted ground coffee, tea, or similar, and presents capsule walls disposed in direct opposition and adapted for injection of a pressurized fluid flow upstream, and discharge of resulting aromatic beverage downstream.
  • aromatic edible substance such as for example roasted ground coffee, tea, or similar
  • a related objective of the present invention is to provide a process for manufacturing of capsules, in particular of a capsule according to the present invention.
  • capsules (1) for preparing edible products such as espresso coffee and other aromatic beverages, so that can be operated in fluid tight manner, including by means of impingement with a pressurized fluid flow, inside of product preparation devices (10), such as espresso coffee brewing devices.
  • a capsule (1) of the type of the present invention (see Figure 1 ) comprises a container part (2), configured for example in generally frusto-conic shape, presenting a base wall (21) upstream, and a sidewall (22) that defines an opening (23) downstream, and further presenting a rim region (24) that extends sideways along the perimeter of said opening (23).
  • the capsule (1) further comprises a lid part (3) configured as membrane or folio-like element, and adapted so that can be united with the downstream-oriented surface of said rim region (24).
  • Said sealing element (4) is typically provided next to the upstream-oriented surface of said rim region (24). According to prior art, said sealing element (4) can be provided in the same material as said container part (2), or in a different material.
  • the capsule (1) presents a sealing element (4) of annular shape provided as a separate piece, and comprising a first sealing portion (41) next to the rim region (24) and a second sealing portion (42) extending at an angle in respect of the first portion (41) and adapted so that can be retained by means of a pressurized fitting on the sidewall (22) in the vicinity of the rim region (24) and thereby also retain the first sealing portion (41) in position, that is in extensive surface contact with the upstream-oriented surface of the rim region (24).
  • a sealing element (4) of annular shape provided as a separate piece, and comprising a first sealing portion (41) next to the rim region (24) and a second sealing portion (42) extending at an angle in respect of the first portion (41) and adapted so that can be retained by means of a pressurized fitting on the sidewall (22) in the vicinity of the rim region (24) and thereby also retain the first sealing portion (41) in position, that is in extensive surface contact with the upstream-oriented surface of the rim region (24).
  • the capsule (1) in particular the container part (2), does not present any retention means for retaining the sealing element (4) in position, such as any external variation of the geometric shape thereof or other.
  • the first sealing portion (41) is adapted so that can be pressed, by an upstream confining part (11) of said product preparation device (10), against said upstream-oriented surface of said rim region (24) when said capsule (1) is inside of a product preparation device (10) in a position of readiness for preparing the product, for example an aromatic beverage such as espresso coffee.
  • the second sealing portion (42) is adapted so that can provide for retention by means of pressurized fitting on the region of sidewall (22) in the vicinity of the rim region (24) such that the first sealing portion (41) is retained in contact herewith.
  • the sealing element (4), and at least the second sealing portion (42) can be provided in a synthetic material and with a characteristic free internal dimension smaller than the characteristic outside dimension of the region of sidewall (22) in the vicinity of the rim region (24), such that the sealing element (4) is retained by means of inwards elastic tension.
  • Figures 5 and 6 show an embodiment of a sealing element (4) in a capsule (1) according to the present invention.
  • the sealing element (4) presents a first sealing portion (41) of ring-like shape and adapted so that can be pressed directly against the upstream-oriented surface of said rim region (24), and a second sealing portion (42) extending in a collar-like arrangement upstream from an inner perimeter region of said first sealing portion (41), thereby forming a transition angle (alpha 1) with respect to said first sealing portion (41), whereby said transition angle (alpha 1) is comprised between 2° and 10°, preferentially between 4° and 8°, relative to a direction parallel to the central symmetry axis (X).
  • Figures 7 and 8 show two different embodiments of the sealing element (4) in a capsule (1) according to the invention, whereby these embodiments basically differ in the shape of the cross-section, as seen sideways, of the second sealing portion (42).
  • a first embodiment presents a second sealing portion (42) with a constant wall thickness (21).
  • the second sealing portion (42) presents two parts each with a different wall thickness (t 21 , t 22 ).
  • the sealing element (4) is applied to the container part (2) factory-side such that the sealing element (4) is already in position when the capsule (1) is inserted into the product preparation device (10), such as an extraction device in a beverage preparation apparatus.
  • the sealing element (4) is generally designed so that can be inserted along the sidewall (22), with the second sealing portion (42) oriented upstream to the base wall (21) of the container part (2), and sit with the first sealing portion (41) upon the upstream-oriented surface of said rim region (24).
  • the sealing element (4) in a first moment of the process of assembling the sealing element (4) factory-side to the container part (2), the sealing element (4) can be placed on a tubular part such that sits on the edges thereof by the first sealing portion (41) .
  • the container part (2) can be inserted through the opening of the sealing element (4) and pressed hereupon, such that the first sealing portion (41) sits tightly upon the rim region (24) and the second sealing portion (42) is fitted under pressure on the region of the sidewall (22) next to the rim region (24), thereby reliably retaining the sealing element (4) in position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)
  • Tea And Coffee (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Formation And Processing Of Food Products (AREA)
EP20851303.6A 2019-12-27 2020-12-17 Capsule avec élément de fermeture étanche et procédé de production de ladite capsule Pending EP4082940A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT11602519 2019-12-27
PCT/PT2020/050053 WO2021133180A1 (fr) 2019-12-27 2020-12-17 Capsule avec élément de fermeture étanche et procédé de production de ladite capsule

Publications (1)

Publication Number Publication Date
EP4082940A1 true EP4082940A1 (fr) 2022-11-02

Family

ID=74557242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20851303.6A Pending EP4082940A1 (fr) 2019-12-27 2020-12-17 Capsule avec élément de fermeture étanche et procédé de production de ladite capsule

Country Status (3)

Country Link
EP (1) EP4082940A1 (fr)
BR (1) BR112022012428A2 (fr)
WO (1) WO2021133180A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2326909T3 (es) * 2006-04-24 2009-10-21 Nestec S.A. Capsula para la preparacion de una bebida con un elemento de cierre hermetico unido a la misma y procedimiento de fabricacion de la misma.
HUE026245T2 (en) * 2009-06-17 2016-06-28 Douwe Egberts Bv Capsules, systems and procedures for preparing a predetermined amount of beverage suitable for consumption
PT3575241T (pt) * 2017-01-25 2023-10-13 Kaffa Lda Cápsula com elemento de selagem e processo de preparação de produtos edíveis usando a referida cápsula
CA3064157A1 (fr) * 2017-05-19 2018-11-22 K-Fee System Gmbh Dosette sous forme de capsule servant a preparer une boisson dans une machine de production de boisson et procede servant a fabriquer une dosette sous forme de capsule
JP2021500104A (ja) * 2017-10-24 2021-01-07 ソシエテ・デ・プロデュイ・ネスレ・エス・アー 飲料カプセル上に封止要素を適用するための方法及びデバイス

Also Published As

Publication number Publication date
BR112022012428A2 (pt) 2022-08-30
WO2021133180A1 (fr) 2021-07-01

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